{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "In contrast , increased levels of GPC1 and GPC3 as a result of overexpression or the addition of recombinant protein , inhibit BMP2 signalling and BMP2 - mediated osteogenesis ."}
{"Chemical": []}